CN102603149A - Sludge drying device - Google Patents
Sludge drying device Download PDFInfo
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- CN102603149A CN102603149A CN2012100861016A CN201210086101A CN102603149A CN 102603149 A CN102603149 A CN 102603149A CN 2012100861016 A CN2012100861016 A CN 2012100861016A CN 201210086101 A CN201210086101 A CN 201210086101A CN 102603149 A CN102603149 A CN 102603149A
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- sludge
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- drying device
- thickner
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Abstract
The invention relates to a sludge drying device, which is suitable for a sludge drying process before thermal power burning. The device consists of a sludge storage pool used for storing sludge, a sludge concentrator used for primarily concentrating the sludge, a chemical adding device used for adding a flocculant into the sludge concentrator, a concentrated sludge tank for storing primarily concentrated sludge, a transforming kettle for the reaction of the primarily concentrated sludge, a transforming agent, a stabilizing agent and a deodorant, a preparing kettle for preparing the transforming agent, the stabilizing agent and the deodorant, a filter press used for removing sludge moisture in the transforming kettle, a crushing device used for crushing dried sludge, and an absorption tower for absorbing odor generated in the drying process. The sludge drying device disclosed by the invention has the advantages of high dehydration efficiency, energy saving, environmental protection, good drying effect and cost saving.
Description
Technical field
The present invention relates to a kind of sludge drying device, be applicable to the preceding sludge drying technology of thermoelectricity burning.
Background technology
The mud that existing sewage work produces generally is through drying and other treatment, and the water ratio of mud is reduced to 80%.Move thermal power plant then to, carry out the secondary mummification, reenter the stove burning after the water ratio of mud is reduced to about 50%.Yet 80% mud can cause secondary pollution in transportation, and the high enterprise of transportation cost.Both be unfavorable for the protection of environment, also consumes energy more.
Summary of the invention
Technical problem to be solved by this invention provides a kind of reasonable in design, dewatering efficiency height, energy-conserving and environment-protective, effective, the cost-effective sludge drying device of mummification.
It is this sludge drying device that the present invention solves the problems of the technologies described above the technical scheme that is adopted, by forming with lower device:
Be used for storing the mud storage pool of mud;
With the preliminary spissated mud thickner of mud;
The chemicals dosing plant that in the mud thickner, adds the agent of wadding a quilt with cotton with fixed attention;
Store the thickened sludge groove of preliminary thickened sludge;
The transformation pot of preliminary thickened sludge and transforming agent, stablizer, reodorant reaction;
The configuration still of configuration transforming agent, stablizer, reodorant;
Be used for removing the pressure filter of sludge water content in the transformation pot;
Be used for pulverizing the shredder assembly of dewatered sludge;
Absorb the absorption tower of the foul smell that produces in the drying process;
Said mud storage pool links to each other with the import of mud thickner respectively with chemicals dosing plant; Said mud thickner links to each other with the thickened sludge groove through pipeline; Thickened sludge groove, configuration still link to each other with transformation pot through pipeline respectively; The outlet of said transformation pot links to each other with pressure filter through spiral pump, and the outlet of pressure filter links to each other with shredder assembly.
As preferably, chemicals dosing plant of the present invention is provided with dosing pump with the pipeline that the mud thickner links to each other.
As preferably, the pipeline that mud storage pool of the present invention links to each other with the mud thickner is provided with wet sludge pump.
As preferably, the present invention also is provided with dewatered sludge heap storehouse, and said shredder assembly links to each other with dewatered sludge heap storehouse.
As preferably, feed bin of the present invention is equipped with transforming agent, stablizer, reodorant in the said feed bin, and said feed bin links to each other with the configuration still.
As preferably, absorption tower of the present invention is a two-level absorption tower.
As preferably, pressure filter of the present invention is the pocket type pressure filter.
The present invention has the following advantages and characteristics with existing compared with techniques: prior art is 50% o'clock with wet mud per ton by 80% water ratio mummification, adopts drying with steam and mechanism filter-pressing, and its energy consumption signature coal is respectively 80kg and 3.5kg.By handling 500 tons every day, year handle 150,000 tons of meters, with technical scheme of the present invention then can year 11500 tons in feast-brand mark coal.
The processing that is embodied as effective solution mud and the handling problems of one step of biochemical sludge dehydration technique of the present invention provide good outlet; Solved in the past handle, environmental problem that disposing sludge possibly brought, the sound development of Fuyang City's paper industry is played good pushing effect; The construction of project is that the burning disposal of mud has been created condition.Burn the heat energy that produces and carry out regional heating and generating, thus dispersive arcola in the alternative zone, and this environment protection for the zone has positive effect, so the construction of this project has above dual positive effect.
Significantly reduce transportation cost, reduced the environmental pollution in the transportation, saved a large amount of human costs.
Description of drawings
Fig. 1 is structure of the present invention and schematic flow sheet.
Label declaration: mud storage pool 1, chemicals dosing plant 2, mud thickner 3, thickened sludge groove 4, transformation pot 5, pressure filter 6, shredder assembly 7, dewatered sludge heap storehouse 8, wet sludge pump 9, configuration still 10, feed bin 11, absorption tower 12, compound pump 13, spiral pump 14, tubular type handling machinery 15, confection pump 16.
Embodiment
Below in conjunction with embodiment the present invention is done further detailed description, following examples are to explanation of the present invention and the present invention is not limited to following examples.
Embodiment 1:
As shown in Figure 1, the sludge drying device of present embodiment is made up of mud storage pool 1, chemicals dosing plant 2, mud thickner 3, thickened sludge groove 4, transformation pot 5, pressure filter 6, shredder assembly 7, dewatered sludge heap storehouse 8, wet sludge pump 9, configuration still 10, feed bin 11, absorption tower 12, compound pump 13, spiral pump 14, tubular type handling machinery 15, confection pump 16.
Mud storage pool 1 is used for storing wet mud, and the water ratio of wet mud is greatly about about 96%.The downstream of mud storage pool 1 are mud thickner 3, and mud storage pool 1 is provided with wet sludge pump 9 with mud thickner 3 interconnective pipelines.Chemicals dosing plant 2 is also located the upper reaches with mud thickner 3, and chemicals dosing plant 2 is provided with compound pump 13 with mud thickner 3 interconnective pipelines.The downstream of mud thickner 3 are thickened sludge groove 4.Transformation pot 5 is positioned at the downstream of thickened sludge groove 4, and the downstream of transformation pot 5 are pressure filter 6, and transformation pot 5 is provided with spiral pump 14 with pressure filter 6 interconnective pipelines.The downstream of pressure filter 6 are shredder assembly 7, and the downstream of shredder assembly 7 are dewatered sludge heap storehouse 8.Transformation pot 5 links to each other with configuration still 10 through pipeline simultaneously, and configuration still 10 is provided with confection pump 16 with transformation pot 5 interconnective pipelines, and the provided upstream of configuration still 10 is equipped with feed bin 11, and feed bin 11 links to each other through tubular type handling machinery 15 with configuration still 10.The foul smell that produces in the drying process is responsible for collecting in absorption tower 12, links to each other with mud storage pool 1, mud thickner 3, thickened sludge groove 4, transformation pot 5, pressure filter 6, shredder assembly 7, dewatered sludge heap storehouse 8 respectively.
Working process is: after the agent SEPIGEL 305 of in chemicals dosing plant 2, will wadding a quilt with cotton with fixed attention configures, deliver to mud thickner 3 through compound pump 13.The mud of water ratio 96% is delivered to mud thickner 3 with wet sludge pump 9 concentrates from mud storage pool 1, make the water ratio of mud reduce to 88% to 90%, obtain preliminary thickened sludge.
Preliminary thickened sludge is delivered to transformation pot 5; Transforming agent polymeric aluminum molysite, stablizer shale breeze, reodorant unslaked lime are delivered to configuration still 10 through tubular type handling machinery 15 respectively from feed bin 11; Also be delivered to transformation pot 5 after in configuration still 10, configuring; Preliminary thickened sludge is stable through transforming, and obtains secondary concentration mud.
Secondary concentration mud is delivered to pressure filter 6 with spiral pump 14 carries out filter-press dehydration, the filter cake of the water ratio 45% that obtains.The filtrating that pressure filter 6 produces is recovered to sewage work and handles.
Store going into dewatered sludge heap storehouse 8 after the filter cake fragmentation, accomplish the mummification of mud.
This project is through the practical application of Fuchunjiang River environmental protection Thermo Electron Corp.; Be whole sludge incineration comprehensive utilization of resources project important component part; After whole project is built up, can effectively handle 2035 tons in mud, 275 tons of paper slags every day, increase heat capacity 215t/h; 60,000 tons in annual feast-brand mark coal reduces SO
2160 tons of quantity dischargeds, 55 tons of flue dust have been practiced thrift the soil simultaneously, have solved the secondary pollution that the mud landfill brings again.
In addition, need to prove, the specific embodiment described in this specification sheets, its prescription, title that technology is named etc. can be different.Allly conceive equivalence or the simple change that described structure, characteristic and principle are done, include in the protection domain of patent of the present invention according to patent of the present invention.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; Only otherwise depart from structure of the present invention or surmount the defined scope of these claims, all should belong to protection scope of the present invention.
Though the present invention with embodiment openly as above; But it is not in order to limit protection scope of the present invention; Any technician who is familiar with this technology, change and the retouching in not breaking away from design of the present invention and scope, done all should belong to protection scope of the present invention.
Claims (7)
1. sludge drying device, by forming with lower device:
Be used for storing the mud storage pool of mud;
With the preliminary spissated mud thickner of mud;
The chemicals dosing plant that in the mud thickner, adds the agent of wadding a quilt with cotton with fixed attention;
Store the thickened sludge groove of preliminary thickened sludge;
The transformation pot of preliminary thickened sludge and transforming agent, stablizer, reodorant reaction;
The configuration still of configuration transforming agent, stablizer, reodorant;
Be used for removing the pressure filter of sludge water content in the transformation pot;
Be used for pulverizing the shredder assembly of dewatered sludge;
Absorb the absorption tower of the foul smell that produces in the drying process;
Said mud storage pool links to each other with the import of mud thickner respectively with chemicals dosing plant; Said mud thickner links to each other with the thickened sludge groove through pipeline; Thickened sludge groove, configuration still link to each other with transformation pot through pipeline respectively; The outlet of said transformation pot links to each other with pressure filter through spiral pump, and the outlet of pressure filter links to each other with shredder assembly.
2. sludge drying device according to claim 1 is characterized in that: described chemicals dosing plant is provided with dosing pump with the pipeline that the mud thickner links to each other.
3. sludge drying device according to claim 1 is characterized in that: the pipeline that described mud storage pool links to each other with the mud thickner is provided with wet sludge pump.
4. sludge drying device according to claim 1 is characterized in that: also be provided with dewatered sludge heap storehouse, said shredder assembly links to each other with dewatered sludge heap storehouse.
5. sludge drying device according to claim 1 is characterized in that: described feed bin, transforming agent, stablizer, reodorant are housed in the said feed bin, and said feed bin links to each other with the configuration still.
6. sludge drying device according to claim 1 is characterized in that: described absorption tower is a two-level absorption tower.
7. sludge drying device according to claim 1 is characterized in that: described pressure filter is the pocket type pressure filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100861016A CN102603149A (en) | 2012-03-28 | 2012-03-28 | Sludge drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100861016A CN102603149A (en) | 2012-03-28 | 2012-03-28 | Sludge drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102603149A true CN102603149A (en) | 2012-07-25 |
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ID=46521013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100861016A Pending CN102603149A (en) | 2012-03-28 | 2012-03-28 | Sludge drying device |
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| Country | Link |
|---|---|
| CN (1) | CN102603149A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51141776A (en) * | 1975-06-02 | 1976-12-06 | Rikagaku Kenkyusho | A process for insolubilization and recycling of sludge containing |
| CN102229464A (en) * | 2011-06-02 | 2011-11-02 | 杭州中威净水材料有限公司 | Preparation and method for drying sludge through deep dehydrating |
-
2012
- 2012-03-28 CN CN2012100861016A patent/CN102603149A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51141776A (en) * | 1975-06-02 | 1976-12-06 | Rikagaku Kenkyusho | A process for insolubilization and recycling of sludge containing |
| CN102229464A (en) * | 2011-06-02 | 2011-11-02 | 杭州中威净水材料有限公司 | Preparation and method for drying sludge through deep dehydrating |
Non-Patent Citations (2)
| Title |
|---|
| 南秀杰等: "污泥脱水工艺改进研究", 《辽宁化工》 * |
| 陈柏校等: "污泥深度脱水工艺在杭州七格污水处理厂的应用", 《中国给水排水》 * |
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Application publication date: 20120725 |